AQA Computer Science GCSE
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Programming Concepts - Mathematical Operators
Basic mathematical operators are addition (+), subtraction (-), multiplication (*) and division (/). BIDMAS rules apply when you're using these, so take care, especially when dealing with multiplication and division.
Basic Mathematical Operators - notes from class
Some exam style questions dealing with operators and trace tables. It would be a good idea to code these questions in Python as well.
Question 0 - a simple introduction
Question 2 - a bit trickier (particularly the last part)